Climatological Report (Daily)
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307
CDUS46 KSEW 210826
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT FRI JUN 21 2024

...................................

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 20 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         84    331 PM  88    2004  72     12       60
                                      2018
  MINIMUM         56    504 AM  43    1960  54      2       50
  AVERAGE         70                        63      7       55

PRECIPITATION (IN)
  YESTERDAY        0.00          1.14 1984   0.05  -0.05     0.42
  MONTH TO DATE    1.16                      1.06   0.10     1.22
  SINCE OCT 1     33.25                     35.77  -2.52    28.91
  SINCE JAN 1     16.10                     19.83  -3.73    14.02

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1      0.3                                       8.1
  SINCE JUL 1      0.3                                       8.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3       10
  MONTH TO DATE  116                        90     26      103
  SINCE JUN 1    116                        90     26      103
  SINCE JUL 1   4267                      4348    -81     4424

 COOLING
  YESTERDAY        5                         1      4        0
  MONTH TO DATE    6                        20    -14       17
  SINCE JUN 1      6                        20    -14       17
  SINCE JAN 1     13                        30    -17       52
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   N (0)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     8.8


SKY COVER
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    69           500 AM
 LOWEST     24           300 PM
 AVERAGE    47

..........................................................


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        89      1992
                                             2021
 MINIMUM TEMPERATURE (F)   54        43      1947


SUNRISE AND SUNSET
JUNE 21 2024..........SUNRISE   512 AM PDT   SUNSET   910 PM PDT
JUNE 22 2024..........SUNRISE   513 AM PDT   SUNSET   910 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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